What Is Grime Music? Origins, 140 BPM, and How It's Made
For Artists
Grime is a British MC-led genre that emerged in East London around 2002, built on sparse, syncopated electronic beats at roughly 140 BPM. It grew out of UK garage's darker end, with jungle, dancehall and hip-hop in the mix, and it is defined by rapid, aggressive vocals delivered in 8-bar and 16-bar blocks over cold square-wave bass.
Most answers to "what is grime music" stop at "UK rap at 140 BPM", which is true and nearly useless. Grime is not rap with a London accent. It has its own tempo logic, its own bar structure, and a production style built for pirate radio sets rather than for albums. It also sits between two genres it gets confused with constantly: UK garage, which it came out of, and UK drill, which arrived a decade later at almost the same tempo.
This guide covers where grime came from, how a grime instrumental is put together, why the 8-bar block matters, which records to know, and where the genre stands now. It includes a side-by-side table of grime, drill and garage so you can tell them apart by ear. For the production fundamentals underneath all of it, see Music Production Basics.
Where Grime Came From
Grime came out of Bow, in East London, around 2002. UK garage had spent 1999 to 2001 on national radio with sung hooks and shuffled drums, and the darker end of the scene was pulling away from that. Crews like Pay As U Go Cartel stripped the soul vocals out, hardened the drums, and put the MCs at the front. The sound that came out the other side did not have a name yet.
Wiley, who had MC'd on jungle sets in the 1990s before garage, formed Roll Deep in 2002 and began releasing instrumentals he called eskibeat. Dizzee Rascal, also from Bow, was producing his own beats and MCing over them. Ruff Sqwad and N.A.S.T.Y Crew were building the same thing across East London; Boy Better Know formed in North London in 2005. UK garage gave grime its tempo and its swing; jungle gave it the MC culture, the reload, and the habit of putting bass first.
The infrastructure was pirate radio. Rinse FM and Deja Vu FM ran sets where a crew of MCs passed the mic over instrumentals, and from 2003 the TV channel Channel U put faces to the voices. Before "grime" settled as the name around 2003 to 2004, the scene was calling it sublow, eskibeat, or 8-bar. Nobody agrees who said grime first, and many of the early MCs did not like the word.
Why 140 BPM, and Why the 8-Bar Block
Grime sits at about 140 BPM, and the BPM chart by genre puts it at 138 to 142, the tempo the darker garage records had drifted up to. Dubstep, growing up alongside it in South London, settled at the same number, but the two feel nothing alike. Dubstep plays 140 in half time with the snare on beat three. Grime usually puts the snare on two and four, so the same tempo feels twice as fast and the MC has half as long to say something.
The 8-bar block comes from radio. A pirate set might have six or eight MCs on one instrumental, and each took 8 bars before passing the mic. Producers built beats to match, changing something every 8 bars: the bass drops out, a stab comes in, the click pattern flips. Musical Mob's "Pulse X" (2002) is the reference record for this and is often called the first grime instrumental, with little more than a kick, a bass note and a switch every 8 bars.
The reload shaped the writing. When a bar landed, the DJ pulled the record back to the start and the MC ran it again, so lines were written to detonate inside 8 bars rather than build across a verse. That is why grime bars are front-loaded and punchline-dense compared with most US rap. Once songs were structured for albums, 16-bar verses became the default, but the 8-bar reflex is still audible in how grime MCs phrase.
How a Grime Instrumental Is Built
Early grime was made on whatever was to hand: FruityLoops on a home PC, Korg Triton workstations, and by some accounts PlayStation music software. The limits became the sound. Here is the anatomy, in the order most producers build it.
Tempo at 140. Drop to 138 if the MC needs room, push to 142 for a clash. Below 135 it starts to read as garage; past 145 it drifts toward drill tempo.
Square-wave bass. One raw square wave, no filter polish, playing short stabs or a held note on a minor or modal riff. Wiley's "Eskimo" (2002) is the template. A clean sub underneath can reinforce the low end.
The eski click. A short, dry percussive click on the off-beats, roughly where garage would have put a shuffled hat. Wiley's early instrumentals, "Eskimo" and "Ice Rink" (2003), are the records to study for it.
Sparse drums. Kick syncopated against the bass, snare or clap on two and four, hats minimal or absent. Rapid hi-hat rolls are a drill habit more than a grime one.
One melodic idea. A cold synth stab, a string preset, or a detuned lead riff. Grime instrumentals tend to carry one hook and repeat it, because the MC is the melody.
8-bar switch-ups and drop-outs. Something changes every 8 bars, and the beat drops to almost nothing at least once so a bar can land and a reload can happen.
The other production habit came from dancehall: the instrumental is a riddim. "Pulse X", "Eskimo", Danny Weed's "Creeper" and Ruff Sqwad's "Functions on the Low" (2004) were each voiced by multiple MCs, and a producer's reputation was built on how many people wanted to ride the beat. Stormzy's "Shut Up" (2015), which reached the UK top 10, is a freestyle over "Functions on the Low" eleven years after the instrumental came out.
Grime vs Drill vs UK Garage
All three are London genres in the 130 to 145 BPM band, which is why they get confused. Line them up and the differences are in the snare, the bass, and what the voice is doing.
Grime | UK drill | UK garage | |
|---|---|---|---|
Born | East London, around 2002 | South London, around 2012, from Chicago drill | London, mid-1990s, from US garage house |
Tempo | About 140 BPM (138-142) | 140-145 BPM | 130-138 BPM |
Snare placement | Usually on two and four, so 140 feels fast | On three, half time, so 140 feels slow | On two and four over a swung, skipping kick |
Drums | Sparse, syncopated, few hats | Trap-derived, rapid triplet hi-hat rolls | Shuffled 2-step or four-to-the-floor |
Bass | Square-wave stabs plus sub | Sliding, melodic 808s | Jungle-derived sub answering the kick |
Vocal role | MC out front, the beat is the bed | Rapper, often leaning behind the beat | Singer or MC over a DJ record |
Cadence | Rapid, on-grid, a punchline every few bars, written for the reload | Syncopated, sits behind the half-time snare, melodic hooks common | Sung hooks, or hype MCing between vocal sections |
Structure | 8-bar blocks, 16-bar verses, drop-outs | Standard verse and hook, 808 slides mark the sections | DJ-friendly 16 and 32 bar phrasing |
Reference | Dizzee Rascal, "I Luv U"; Skepta, "Shutdown" | Headie One; Central Cee | Artful Dodger and Craig David, "Re-Rewind" |
The quickest test by ear is the snare: once a bar, with bass sliding between notes, is drill. Twice a bar over a skipping kick with a sung hook is garage, and twice a bar over a static square wave with a voice that never stops is grime. The cadence follows from that: a drill flow is measured against one snare a bar, a grime flow against two. That is why grime MCs sound like they are chasing the beat and drill rappers sound like they are leaning back on it.
The Records and Producers to Know
These are the landmarks the genre itself points to, with the year each arrived.
Year | Record | Why it matters |
|---|---|---|
2002 | Musical Mob, "Pulse X" | The 8-bar instrumental in its purest form, often cited as the first grime record |
2002 | Wiley, "Eskimo" | Square-wave bass and the eski click; the record that named eskibeat |
2003 | Dizzee Rascal, Boy in da Corner | Won the 2003 Mercury Prize; the album that took grime beyond London |
2004 | Lethal Bizzle, "Pow! (Forward)" | Reached UK No. 11 and became a live anthem, reportedly banned from many clubs at the time |
2004 | Wiley, Treddin' on Thin Ice | The godfather's debut album on XL, with the eskibeat sound at full length |
2004 | Jammer, Lord of the Mics | The clash DVD series, filmed in a Leytonstone basement, opening with Kano against Wiley |
2014 | Skepta and JME, "That's Not Me" | Restarted grime's second wave; its video, reportedly shot for £80, won the 2014 MOBO for Best Video |
2016 | Skepta, Konnichiwa | Won the 2016 Mercury Prize, 13 years after Dizzee |
2017 | Stormzy, Gang Signs & Prayer | The first grime album to reach No. 1 on the UK Albums Chart |
On the production side, Wiley, Danny Weed and Terror Danjah defined the first wave, Rapid and Dirty Danger built Ruff Sqwad's instrumentals, and Jammer produced as much as he clashed. Through the 2010s, Preditah, Rude Kid, Swifta Beater and Sir Spyro kept the instrumental side moving.
Where Grime Sits Now
The second wave ran from about 2014 to 2018. "That's Not Me" and "Shutdown" put Skepta on festival main stages, Konnichiwa won the Mercury Prize, and Stormzy took Gang Signs & Prayer to No. 1 and then headlined Glastonbury's Pyramid Stage in 2019. The Metropolitan Police's Form 696, a risk-assessment form introduced in 2005 that critics said was used to shut down grime shows, was scrapped in November 2017.
Since then the commercial centre of British rap has moved to UK drill and to melodic rap at other tempos, and many grime MCs moved with it. Grime did not disappear. It went back to being what it was before the charts: radio sets, clashes, and instrumentals passed around for MCs to voice. Producers still release 140 BPM riddims, and there are active scenes in Japan and Australia.
The clearest sign that the sound still travels came in 2024, when Flowdan, a Roll Deep MC from the first wave, won a Grammy for Best Dance/Electronic Recording. The record was "Rumble", made with Skrillex and Fred again.. and built on a grime vocal at 140 BPM, two decades after "Eskimo".
For artists building a career in UK rap or bass music, the lesson in grime is about discipline more than tempo. Write bars that land inside 8, release instrumentals other people want to voice, and treat the live set as the format the records are made for.
Frequently Asked Questions
What BPM is grime music?
Grime sits around 140 BPM, typically 138 to 142. Dubstep uses the same tempo in half time; UK drill runs 140 to 145. Grime feels fastest because its snare usually lands on two and four.
Is grime the same as UK drill?
No. Both sit near 140 BPM, but drill uses half-time trap drums, sliding 808s and a delivery that leans behind the beat. Grime uses sparse syncopated drums, square-wave bass and rapid on-beat MCing, and is a decade older.
Who invented grime?
No single person. Wiley is most often called its godfather for the eskibeat instrumentals of 2002 and 2003, Musical Mob's "Pulse X" set the 8-bar template, and Dizzee Rascal's Boy in da Corner took it national in 2003.
Is grime still popular?
It is no longer the commercial centre of British rap; UK drill has held that since the late 2010s. Grime persists through radio sets, clashes and instrumentals, and Flowdan's 2024 Grammy for "Rumble" showed the vocal style still travels.
Read Next
Knowing how a 140 BPM record is built is the short part of the job. How to Plan a Music Release Step by Step covers what happens once the instrumental is finished and there is a date to hit.